US4396986A - Digital DC power supply with current and voltage measurement - Google Patents
Digital DC power supply with current and voltage measurement Download PDFInfo
- Publication number
- US4396986A US4396986A US06/257,020 US25702081A US4396986A US 4396986 A US4396986 A US 4396986A US 25702081 A US25702081 A US 25702081A US 4396986 A US4396986 A US 4396986A
- Authority
- US
- United States
- Prior art keywords
- voltage
- current
- output
- digital
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 27
- 230000008859 change Effects 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims description 17
- 230000009467 reduction Effects 0.000 claims description 3
- 230000002829 reductive effect Effects 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims 2
- 230000000977 initiatory effect Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 229920005994 diacetyl cellulose Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 101001022148 Homo sapiens Furin Proteins 0.000 description 1
- 101000701936 Homo sapiens Signal peptidase complex subunit 1 Proteins 0.000 description 1
- 102100030313 Signal peptidase complex subunit 1 Human genes 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/157—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators with digital control
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
- G05F1/575—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices characterised by the feedback circuit
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Continuous-Control Power Sources That Use Transistors (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
Description
Claims (13)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/257,020 US4396986A (en) | 1981-04-24 | 1981-04-24 | Digital DC power supply with current and voltage measurement |
JP57068555A JPS57182221A (en) | 1981-04-24 | 1982-04-23 | Dc power supply |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/257,020 US4396986A (en) | 1981-04-24 | 1981-04-24 | Digital DC power supply with current and voltage measurement |
Publications (1)
Publication Number | Publication Date |
---|---|
US4396986A true US4396986A (en) | 1983-08-02 |
Family
ID=22974574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/257,020 Expired - Lifetime US4396986A (en) | 1981-04-24 | 1981-04-24 | Digital DC power supply with current and voltage measurement |
Country Status (2)
Country | Link |
---|---|
US (1) | US4396986A (en) |
JP (1) | JPS57182221A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4562548A (en) * | 1983-05-12 | 1985-12-31 | At&T Bell Laboratories | Alarm limit recentering arrangement for maintaining uniform alarm limit tolerances about a sloping regulation characteristic |
US4612617A (en) * | 1983-03-02 | 1986-09-16 | Siemens-Allis, Inc. | Method and apparatus for monitoring instantaneous electrical parameters of a power distribution system |
US4626769A (en) * | 1985-03-13 | 1986-12-02 | Analog Devices, Inc. | Voltage/current source |
WO1991016768A1 (en) * | 1990-04-20 | 1991-10-31 | Ferguson Limited | Receiver for satellite reception |
US5583440A (en) * | 1992-02-24 | 1996-12-10 | Bisher; Roger C. | Method and apparatus for testing an auxiliary power system |
US6092355A (en) * | 1994-07-22 | 2000-07-25 | Mtd Products Inc. | Control system |
US6407534B1 (en) * | 2001-02-06 | 2002-06-18 | Quallion Llc | Detecting a microcurrent and a microcurrent detecting circuit |
US20080234954A1 (en) * | 2007-03-01 | 2008-09-25 | Ryan Foran | Digital power monitoring circuit and system |
US8907658B2 (en) | 2012-04-19 | 2014-12-09 | Kohler, Inc. | System and method of measuring power produced by a power source |
US10756676B2 (en) * | 2018-10-17 | 2020-08-25 | Analog Devices Global Unlimited Company | Amplifier systems for driving a wide range of loads |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4077061A (en) * | 1977-03-25 | 1978-02-28 | Westinghouse Electric Corporation | Digital processing and calculating AC electric energy metering system |
US4197582A (en) * | 1978-03-31 | 1980-04-08 | Westinghouse Electric Corp. | Auxiliary power supply and timer arrangement for time registering multifunctional electric energy meters |
US4229795A (en) * | 1977-10-21 | 1980-10-21 | Siemens Aktiengesellschaft | Electronic maximum measuring device |
US4263653A (en) * | 1979-06-04 | 1981-04-21 | Bird Electronic Corporation | Digital RF wattmeter |
US4356553A (en) * | 1978-12-01 | 1982-10-26 | Lgz Landis & Gyr Zug Ag | Method for the measuring of electrical power |
US4360879A (en) * | 1980-08-28 | 1982-11-23 | The Valeron Corporation | Power measuring device |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5323303U (en) * | 1976-08-05 | 1978-02-27 | ||
JPS5398050A (en) * | 1977-02-07 | 1978-08-26 | Nec Corp | Power supply |
-
1981
- 1981-04-24 US US06/257,020 patent/US4396986A/en not_active Expired - Lifetime
-
1982
- 1982-04-23 JP JP57068555A patent/JPS57182221A/en active Granted
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4077061A (en) * | 1977-03-25 | 1978-02-28 | Westinghouse Electric Corporation | Digital processing and calculating AC electric energy metering system |
US4229795A (en) * | 1977-10-21 | 1980-10-21 | Siemens Aktiengesellschaft | Electronic maximum measuring device |
US4197582A (en) * | 1978-03-31 | 1980-04-08 | Westinghouse Electric Corp. | Auxiliary power supply and timer arrangement for time registering multifunctional electric energy meters |
US4356553A (en) * | 1978-12-01 | 1982-10-26 | Lgz Landis & Gyr Zug Ag | Method for the measuring of electrical power |
US4263653A (en) * | 1979-06-04 | 1981-04-21 | Bird Electronic Corporation | Digital RF wattmeter |
US4360879A (en) * | 1980-08-28 | 1982-11-23 | The Valeron Corporation | Power measuring device |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4612617A (en) * | 1983-03-02 | 1986-09-16 | Siemens-Allis, Inc. | Method and apparatus for monitoring instantaneous electrical parameters of a power distribution system |
US4562548A (en) * | 1983-05-12 | 1985-12-31 | At&T Bell Laboratories | Alarm limit recentering arrangement for maintaining uniform alarm limit tolerances about a sloping regulation characteristic |
US4626769A (en) * | 1985-03-13 | 1986-12-02 | Analog Devices, Inc. | Voltage/current source |
WO1991016768A1 (en) * | 1990-04-20 | 1991-10-31 | Ferguson Limited | Receiver for satellite reception |
US5893023A (en) * | 1990-04-20 | 1999-04-06 | Ferguson Limited | Satellite receiver including operating voltage supply arrangement suitable for different antenna assemblies |
US5583440A (en) * | 1992-02-24 | 1996-12-10 | Bisher; Roger C. | Method and apparatus for testing an auxiliary power system |
US6092355A (en) * | 1994-07-22 | 2000-07-25 | Mtd Products Inc. | Control system |
US6407534B1 (en) * | 2001-02-06 | 2002-06-18 | Quallion Llc | Detecting a microcurrent and a microcurrent detecting circuit |
US20080234954A1 (en) * | 2007-03-01 | 2008-09-25 | Ryan Foran | Digital power monitoring circuit and system |
US8280655B2 (en) * | 2007-03-01 | 2012-10-02 | International Rectifier Corporation | Digital power monitoring circuit and system |
US8907658B2 (en) | 2012-04-19 | 2014-12-09 | Kohler, Inc. | System and method of measuring power produced by a power source |
US10756676B2 (en) * | 2018-10-17 | 2020-08-25 | Analog Devices Global Unlimited Company | Amplifier systems for driving a wide range of loads |
Also Published As
Publication number | Publication date |
---|---|
JPH0531165B2 (en) | 1993-05-11 |
JPS57182221A (en) | 1982-11-10 |
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AS | Assignment |
Owner name: HEWLETT-PACKARD COMPANY PALO ALTO, CA A CA CORP Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SALESKY, EMERY;REEL/FRAME:004125/0123 Effective date: 19810423 |
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AS | Assignment |
Owner name: HEWLETT-PACKARD COMPANY, A DELAWARE CORPORATION, C Free format text: MERGER;ASSIGNOR:HEWLETT-PACKARD COMPANY, A CALIFORNIA CORPORATION;REEL/FRAME:010841/0649 Effective date: 19980520 |
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AS | Assignment |
Owner name: AGILENT TECHNOLOGIES INC., CALIFORNIA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HEWLETT-PACKARD COMPANY, A DELAWARE CORPORATION;REEL/FRAME:010901/0336 Effective date: 20000520 |